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Comforter Sizes Chart

Lara Vargas

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Have you ever covered your bed in a comforter that looked like it was waiting for a flood? Or perhaps one your bed appeared to be drowning in? We get your frustration.

Finding the right comforter size can be more challenging than expected. This is because, unlike mattresses, comforters are not created in standard sizes and tend to differ from brand to brand. Simply selecting the comforter size your mattress correlates to may not yield the best results.

Don’t fret though, it is perfectly possible to find a comforter made to fit your bed. Pinpointing the best comforter is a methodical process requiring some basic measuring and analysis skills—we’ll run through everything you need to know in this article.

What Is a Comforter?

Comforters rest on top of your bedsheets and act as a warm cover while you sleep.

A comforter is composed of three layers: a top strip of fabric, a fill, and a bottom strip of fabric. The fill is enclosed between the strips of fabric and may be composed of cotton, wool, down, silk, or synthetic fibers. Comforters are typically quilted or stitched-through to ensure the fill stays in place.

Although the construction of a comforter usually remains the same, they can come in a variety of different sizes. Let’s take a look at how to find the right-sized comforter for your bed.

Comforter Measurements

The following comforter sizes chart contains different mattress sizes alongside their common comforter sizes. Some manufacturers may add or trim off a few inches, so the width and length measurements are general guidelines.

Bed SizeMattress DimensionsCommon Comforter WidthsCommon Comforter Lengths
Crib28 inches by 52 inches28 inches to 36 inches48 inches to 52 inches
Twin38 inches by 75 inches66 inches to 68 inches86 inches to 88 inches
Twin XL38 inches by 80 inches68 inches90 inches
Full (Double)54 inches by 75 inches81 inches to 84 inches86 inches to 88 inches
Queen60 inches by 80 inches86 inches to 88 inches98 inches to 100 inches
King (Eastern king)76 inches by 80 inches102 inches86 inches to 88 inches
California king (Western king)72 inches by 84 inches107 inches by 110 inches96 inches to 98 inches

Because every manufacturer is different, it is best to measure the length and width of your mattress before ordering a new comforter. We will discuss the proper way to find your mattress dimensions.

How to Measure for Comforter Size

Most brands sell comforters by mattress size. Unfortunately, sidfmply selecting your mattress size may not be the best choice. As mentioned above, all bed sizes are made equal but not all comforters.

Measuring Length and Width

For a guaranteed fit, first, figure the length and width of your mattress. Length runs from the head of the mattress to the foot of the mattress. You can determine length by using a tape measure to find the number of inches from the very top of your bed (where your pillows lie) to the very bottom (where your feet rest).

Width refers to the number of inches from the farthest left side of the mattress to the farthest right side of the mattress. Width is tricker to calculate because its final size takes the thickness of your mattress into account as well. Luckily, measuring thickness is quite simple.

Calculating Thickness

Thickness is the horizontal height of the left and right side of your mattress. It is found by measuring from the lowest seam to the highest point of the bed, meaning what you sleep on top of. Never stop your measurement at the highest seam because it may produce an imprecise number. Many mattresses have increased thickness from pillow tops or comfort layers, and come to an end significantly above the highest seam. Some companies even offer “oversized comforters” to meet the needs of these difficult-to-fit mattresses.

Once you have correctly calculated the thickness on both sides of your mattress, add those measurements to the width. For example, if your king size mattress is 76 inches wide and 12 inches thick on each side, add 76 inches plus 12 inches plus 12 inches. This size of mattress will call for a comforter 100 inches wide.

Calculating length and width takes the guessing out of choosing the right comforter size and ensures whatever comforter you land on will perfectly fit your mattress. Still, we prefer to wade on the side of caution. Here are a few other factors to consider before purchasing.

Other Factors to Consider for the Perfect Size Comforter

A singular comforter size is often sold for multiple sized mattresses, and certain comforter types adjust in size over time. These situations can also influence how well a comforter fits your bed.

Singular Sized Comforters for Different Sized Mattresses

Instead of selecting the comforter that matches your mattress size, select the one that matches your bed’s length and width measurements. This is useful to remember because some brands offer one comforter size for different dimensioned mattresses.

For example, it is common for comforters to be marked as “full/queen.” While a queen comforter may fit a full size mattress, the opposite is certainly not true. The comforter size chart above shows there could be a potential 7-inch difference in width and 14-inch difference in length between full and queen-size comforters. Bedding appearing to hang oddly high or low off the sides of a mattress is often the result of this extensive size gap.

The same logic remains for twin XL and twin size comforters. Twin XL mattresses are 5 inches longer than a twin. Ordering comforters for these different size mattresses interchangeably will cause the bedding to either drape off the foot of your bed or completely expose it.

King and California king comforters are typically sold separately. However, because both mattresses are technically “king size”, purchasing the best bedding can get confusing. A king is 4 inches wider and shorter than the California king size mattress. While the width of a king size comforter may fit a California king, there will be absent material at either the bottom or top of your bed.

Comforter Type

Down comforters and duvet covers are becoming increasingly popular for their cozy look and feel. Their coziness can be credited to the material inside a down comforter. This type of bedding is stuffed with the soft, quill-free bundles found beneath a goose or duck’s feathers. If you want to try out a down comforter, we suggest finding one with an oversized option or buying a size up.

Although comfortable, this type of fabric fluffs up soon after use making the comforter’s final size appear smaller. Thus, down comforters typically sit higher on top of your bed, displaying more of your mattress than originally planned.

FAQ

Are full and queen size comforters the same size?

Full and queen size comforters are not the same size but are often sold as so. This is interesting considering a full and queen comforter should vary in size quite a bit. A queen mattress is 5 inches longer and 6 inches wider than a full.

Full/queen size comforters have a better chance at fitting a full size bed than a queen size bed, even if it fits slightly large on a full. Still, for a correct comforter size, measure the length and width of your mattress before purchasing.

What is the biggest comforter size?

Oversized king comforters can be as vast as 120 inches wide. Oversized comforters are usually wider to account for supplemental thickness on mattresses with pillow tops or comfort layers. If your bed is difficult to fit with a comforter, you may opt for an oversized comforter since they tend to be much larger.

Should a duvet cover be the same size as the comforter?

Duvet covers are essentially a pillowcase for your comforter. Because duvet covers have to fit over a comforter, they are typically 1 to 2 inches longer and wider. This measurement will also account for future shrinkage.

Can I put any comforter in a duvet?

You certainly can! While designed for duvets, duvet covers pair well with comforters, too. We suggest finding a duvet cover that’s darker than the fabric or design on your comforter to avoid the pattern of your comforter from peeking through the cover.

How do I prevent a comforter from shifting in a duvet cover?

Your comforter should not shift within a duvet cover if the cover is the appropriate size. We also suggest buying duvet covers with corner ties so that you can tie the corners tighter or looser to secure your comforter in place.

Conclusion

The aesthetic excitement that accompanies picking out a comforter should never be dimmed by fear of it not fitting. A properly sized comforter should not only enhance your bed in appearance but comfort as well. After all, the job of a comforter is to comfort. Such pleasure is difficult to find if your bedding dramatically drapes over or insufficiently covers your mattress.

These comforter conundrums can be irritating, especially if you have a sleep partner. For a mattress that covers the sides of your bed equally, we suggest following the above instructions on measuring your mattress. Accurately measuring your mattress and comparing it to the size of the comforter you are considering will make for a perfect pair.

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